Perhaps you should try some spelling variations:
dua tren » dung tren
hieu ve » hieu va, hieu van
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
y nang » ky nang, v nang, may nang
va dan » va dao, va dau, va dap
ca dan » cac dan, ca dao
vi dua » vi du, vi dum, vi lua
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) OR (ly nang)) x hoi. hieu ve cac xuc ((va dan) or (ca dan)) vi dua tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) x hoi. hieu ve cac xuc ((va dan) OR (ca dan)) vi dua tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) x hoi. hieu ve cac xuc ((va dan) or (ca dan)) vi dua tren".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) x hoi. hieu ve cac xuc ((va dan) or (ca dan)) vi dua tren*.